2020331904 has 64 divisors (see below), whose sum is σ = 5376248640. Its totient is φ = 672221696.

The previous prime is 2020331903. The next prime is 2020331917. The reversal of 2020331904 is 4091330202.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020331903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220927 + ... + 229889.

It is an arithmetic number, because the mean of its divisors is an integer number (84003885).

Almost surely, 2^2020331904 is an apocalyptic number.

2020331904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2020331904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2688124320).

2020331904 is an abundant number, since it is smaller than the sum of its proper divisors (3355916736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2020331904 is an equidigital number, since it uses as much as digits as its factorization.

2020331904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9567 (or 9555 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 2020331904 is about 44948.1023403658. The cubic root of 2020331904 is about 1264.1760957457.

The spelling of 2020331904 in words is "two billion, twenty million, three hundred thirty-one thousand, nine hundred four".